/Engine/Source/Runtime/Engine/Public/WorldPartition/RuntimeHashSet/RuntimePartition.h
virtual bool GenerateStreaming ( const [TArray](API\Runtime\Core\Containers\TArray)< const [IStreamingGenerationContext::FActorSetInstance](API\Runtime\Engine\WorldPartition\IStreamingGenerationContext\FActorSetInstance) * > & ActorSetInstances, [TArray](API\Runtime\Core\Containers\TArray)< [FCellDesc](API\Runtime\Engine\WorldPartition\RuntimeHashSet\URuntimePartition\FCellDesc) > & OutRuntimeCellDescs )